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HER. WASHINGTQN. D C.

.gtniteh tates 'ateitt @time JAMES B. FLOYD AND JOSEPHA. SABBATON, OF NEW YORK, N.4 Y.,

ASSIGNOR TO JAMES R'. FLOYD. i

Letters 'Patent No. 76,904, dated April ZI, 1868.

IMPROVEMENT IN HYDRAULIC MAINS I'OR GAS-WORKS.

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TO ALL WHOM IT MAY CONCERN z Be it known that we, JAMES R. FLOYD and JOSEPH A. SABBATON, both ofthe city, county, and State of New York, have invented certain new and useful Improvements in HydraulicMains for Gas-Works, and that the following is a full, clear, and exact description and specification ofthe same. i

Our invention consists of the construction of the hydraulic main with a lateral opening, that is closed by a pla-te provided with onel or more ports, to which the conducting-tubes are applied, which conduct the gas from the retorts.Y I

Our invention consists, further, ofthe combination of .the said main with dip-nozzles, applied to the inner side of the port-p1ate. l

In order that our invention may be understood, we will proceed to describe the several modes in which we have contemplated the application of the principle or character by which it may be distinguished from -other inventions, and will refer to 'the accompanying drawings, in whch- Figure 1 represents a transverse section of a hydraulic main embodying our entire invention, and

Figure 2 represents a side view ofthe same.

Figure Srepresents a transverse section ofanother form of hydraulic main embodying our invention h Figure 4 represents a transversev section of a hydraulic main embodying the first part of our invention, and

Figure 5 represents aside view ofthe same.

We prefer to construct and arrange our hydraulic main as represented .in gs. 1 and 2, In this case, the pipe is made in sections, each composed of two main pieces, the pipe proper, A, and the lateral port-plate, Bi The former has alongitudinal opening, c c, at its side',Y to which the port-plate B is secured by bolts, and the joint is made gastight, by cementin the usual manner. The port-plate B is provided with as many ports i d, as there'are conducting-tubes E, to communicate with the main' within the length of the port-plate;v and eachV port has a dipnozzle, F, `east at its inner side, so that the gas is delivered into the main below the water-level, denoted by the dotted line'lz. h, and consequently the end of the conducting-passage is sealed against the return of gas. The conducting-tube E is bolted to the exterior of the port-plate, and may .beccnstructed in the usual manner. Y I

In the form of .our invention, represented by ng. 3, the longer transverse axis of the pipe proper, is horizontal, and the lateral port-plate B is applied to the opening e c, at its side. This arrangement isadvam tageous in'some cases, because it renders it possible to employ the pipes of hydraulic mains ofthe old construe; tion with vertical dip-tubes in the construction of our new hydraulic main, the said pipes being laid on their sides, and combined with lateral port-plates, to which the conducting-tubes are applied.

Although -in both the' above examples We prefer to form the dip-nozzles F, by casting them fast to the lateral port-plate, this mode of construction is not essential to our invention, as the dip-nozzles may be cast separately, each wi-th'a ange around its rim, and be bolted to the port-plate, the joint being made gas-tight by cement. Moreover, although We prefer to use both parts of oui` invention simultaneously, this is not necessary, as theiirst part may be used without the second.

' An example of such use-is shown at figs. 4 and 5, where the lateral port-plate B is not furnished with dip= nozzles, but, in place thereof, the ports d @Z are made with their upper sides e lower than the watervor tar-level h z, in the main, so that the gas cannot pass backward into the connecting-tube.

A. hydrauli'main, constructed according to-the principle of our invention, presents great facilities forv changing the arrangement or number of retorts 4with which it is connected, because, all that is. necessary in such case, is to change the lateral qportplate B for a new one, having ports corresponding in number and position with the conducting-tubes of the new arrrangement of gas-retorts.

What We claim as ou1` invention, and desire to secure by Letters Patent, is

The combination of the main pipe, (constructed with o, lateral opening,) with a lateral port-plate, (formed separately, and applied to the lateral opening,r of the main-pipc substantially as before set forth.V

Also, the combination of the said main pipe, lateral port-plate,"(formed separately, and applied to lllo lateral opening ofthe main ppe,) and dip-nozzles fox` the ports in the lateral port-plate, substantially as before set forth. l

Tn testimony whereof, wc hnve hereto set our hands, this 25th day of October, A. D; 1867.

JAMES It. FLOYD, JOS. A. SABBATON.

Witnesses:

JAMES N. WELLS, THOMAS SPROULL. 

